The performance advisor in Tivoli Performance Viewer (TPV) provides advice to help tune systems for optimal performance and provides recommendations on inefficient settings by using the collected Performance Monitoring Infrastructure (PMI) data.
You can access the advisor from TPV area in WAS Admin Console. Click on advisor and scroll down in the window, it will list out all the config advise, alerts,warnings. You can filter it to select Config as Severity like this
For every advise it will display what config change you should make, how to make that change using WAS Admin Console. This is sample advice that it is generating for tunning jdbc/wpdbDS datasource
Take a look at Using the performance advisor in Tivoli Performance Viewer for details on how to use performance adivsor